How do you say “buckwheat” in Vietnamese?

Vietnamese words for “buckwheat”

• kiều mạchListennoun
  Hanoi [kiəw˨˩ majk̟̚˧˨ʔ] · Saigon [kiw˨˩ mat̚˨˩˨]kiều falling mạch heavy

  buckwheat

  for “buckwheat” meaning: The fruit of this plant used as a pseudocereal.

• lúa mạchListennoun
  Hanoi [luə˧˦ majk̟̚˧˨ʔ] · Saigon [luə˦˥ mat̚˨˩˨]lúa rising mạch heavy

  barley

  for “buckwheat” meaning: The fruit of this plant used as a pseudocereal.